CVE-2019-6761: Foxit Reader XFA CXFA_FFDocView Use-After-Free Remote Code Execution Vulnerability
This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Foxit Reader 9.4.0.16811. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the XFA CXFAFFDocView object. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-7777.
Other sources
This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Foxit Reader. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the XFA CXFAFFDocView object. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process.
Affected Software
Remediation
Patch Available
Event History
Frequently Asked Questions
What is the vulnerability ID of this vulnerability?
The vulnerability ID is CVE-2019-6761.
What is the affected software?
The affected software includes Foxit Reader 9.4.0.16811 and PhantomPDF 8.3.9.41099 to 9.4.1.16828.
How can this vulnerability be exploited?
This vulnerability can be exploited by remote attackers through user interaction, such as visiting a malicious page or opening a malicious file.
What is the severity of CVE-2019-6761?
The severity of CVE-2019-6761 is high with a CVSS score of 7.8.
How can I fix this vulnerability?
To fix this vulnerability, update Foxit Reader to a version beyond 9.4.1.16828.